I didn't see some sharks yesterday.这句话有什么错误

I didn't see some sharks yesterday.这句话有什么错误 Yesterday we didn't see any sharks but saw an o—— Congra ----I didn't see her yesterday. didn't see you yesterday didn't see him yesterday I didn't see him yesterday afternoon,He ------have attended i didn't see no cars in the street yesterday. I didn't see anything important in yesterday's paper I didn't see anything improve in yesterday‘s paper i didn't see i don't tell you这句话有什么错误 she wasn't feel unhappy yesterday.这句话有什么错误?